1, acute angle, obtuse angle and right angle, and the order from small to large is ()
2、35? 5= (), which is read as () divided by (), which means that () is divided into () parts on average, and each part is (), that is, () contains ().
3. By whom? 8,2,0,5? The largest four digits are () and the smallest four digits are ().
A number consists of three hundred, four tens and six ones. This number is (), and he is (), pronounced ().
54800 is made up of () hundred.
6. When the dividend is the same as the divisor, the quotient is ().
7. The two numbers adjacent to 5 100 are () and ().
The sum of 8.6 18 plus 279 is about ().
9. 18 eggplant weighs about 1000 (), that is, 1 ().
Second, I am a small judge (5 points) (right? , wrong number? )
The number of 1, 8, 13 is 830. . . . . . . . . . . . . . . . . . . . . . . . ( )
The biggest four digits are 9000. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ( )
The difference between the smallest four digits and the largest three digits is 1. . . . . . . . . . . . . . . . . . . . ( )
4.6 Jin of oil is heavier than 6 Jin of sugar. . . . . . . . . . . . . . ( )
The highest number is thousands, and this number must be three digits. . . . . . . . . . . ( )
6. In division, the quotient must be less than the dividend. . . . . . . . . . . . . . . . . . . . . . ( )
7. The right angle on the big square is larger than that on the small square. . . . . . . . . . . . ( )
8, the difference between a three-digit minus a three-digit must be three digits. . . . . . . . ( )
9. Three acute angles must be obtuse. . . . . . . . . . . . . . . . . . . . . . . . ( )
10, 35 >7X (), and the maximum number of brackets can be 5. . . . . . . . . . . . . . . . . . ( )
Three, choose to fill in the blanks (5 points)
1, a truck can carry () goods.
a， 1000g b，2000kg c，20kg
2、8X()& lt； 34. The maximum value can be filled in brackets ().
a、3 B、4 C、5
3, a barrel of oil, plus barrel * * * weighs 9 kg, barrel weight 1 kg, and oil weight ().
A, 10 kg b, 9 kg c, 8 kg
4. Comparison between 1 m and1kg
A is not as big as b, 1 m and c, 1 kg.
5. The weight of a tomato 150 ().
A, kg b, cubic meters, grams
Four, the number of direct writing (5 points)
64? 8= 72? 9= 8? 8= 42? 7=
340+800= 4200-20= 8800-80= 690+40=
9 1-28= 820-370=
Five, the column is broken calculation (9 points)
48? (2X4) 83-(8+2X3) 13+6？ 2
Six, vertical calculation (12 points)
240+ 180= 720-250= 900-360= 820-350=
VII. Comparative Scale (4 points)
9600-440 〇 960-400 70+540 〇 160+450
570+4 10 〇 670-70 1000-250 〇 800+50
Eight, column calculation (10)
What is the difference between the quotient of 1 and 72 divided by 42 and 33?
What is the product of the difference between 2, 32 and 24 multiplied by the sum of 6 and 3?
Nine, the application problem (20 points)
1. This grain store bought 930 kilograms of rice. I sold 260 kilograms on the first day and 340 kilograms on the second day. How many kilograms are left?